*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "ev-document-factory.h"
#include "ev-file-helpers.h"
-#ifdef ENABLE_PIXBUF
-static GList*
-gdk_pixbuf_mime_type_list ()
-{
- GSList *formats, *list;
- GList *result = NULL;
-
- formats = gdk_pixbuf_get_formats ();
- for (list = formats; list != NULL; list = list->next) {
- GdkPixbufFormat *format = list->data;
- gchar **mime_types;
-
- if (gdk_pixbuf_format_is_disabled (format))
- continue;
-
- mime_types = gdk_pixbuf_format_get_mime_types (format);
- result = g_list_prepend (result, mime_types);
- }
- g_slist_free (formats);
-
- return result;
-}
-
-/* Would be nice to have this in gdk-pixbuf */
-static gboolean
-mime_type_supported_by_gdk_pixbuf (const gchar *mime_type)
-{
- GList *mime_types;
- GList *list;
- gboolean retval = FALSE;
-
- mime_types = gdk_pixbuf_mime_type_list ();
- for (list = mime_types; list; list = list->next) {
- gchar **mtypes = (gchar **)list->data;
- const gchar *mtype;
- gint i = 0;
-
- while ((mtype = mtypes[i++])) {
- if (strcmp (mtype, mime_type) == 0) {
- retval = TRUE;
- break;
- }
- }
- }
-
- g_list_foreach (mime_types, (GFunc)g_strfreev, NULL);
- g_list_free (mime_types);
-
- return retval;
-}
-#endif /* ENABLE_PIXBUF */
-
static EvCompressionType
get_compression_from_mime_type (const gchar *mime_type)
{
return EV_COMPRESSION_GZIP;
else if (g_ascii_strcasecmp (type, "bz") == 0)
return EV_COMPRESSION_BZIP2;
+ else if (g_ascii_strcasecmp (type, "xz") == 0)
+ return EV_COMPRESSION_LZMA;
}
return EV_COMPRESSION_NONE;
}
+
+/*
+ * get_document_from_uri:
+ * @uri: the document URI
+ * @fast: whether to use fast MIME type detection
+ * @compression: a location to store the document's compression type
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Creates a #EvDocument instance for the document at @uri, using either
+ * fast or slow MIME type detection. If a document could be created,
+ * @compression is filled in with the document's compression type.
+ * On error, %NULL is returned and @error filled in.
+ *
+ * Returns: a new #EvDocument instance, or %NULL on error with @error filled in
+ */
static EvDocument *
get_document_from_uri (const char *uri,
gboolean fast,
{
EvDocument *document = NULL;
gchar *mime_type = NULL;
+ GError *err = NULL;
*compression = EV_COMPRESSION_NONE;
- mime_type = ev_file_get_mime_type (uri, fast, error);
+ mime_type = ev_file_get_mime_type (uri, fast, &err);
if (mime_type == NULL) {
g_free (mime_type);
- if (*error == NULL) {
+ if (err == NULL) {
g_set_error_literal (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("Unknown MIME Type"));
+ } else {
+ g_propagate_error (error, err);
}
return NULL;
}
document = ev_backends_manager_get_document (mime_type);
-
-#ifdef ENABLE_PIXBUF
- if (!document && mime_type_supported_by_gdk_pixbuf (mime_type))
- document = ev_backends_manager_get_document ("image/*");
-#endif /* ENABLE_PIXBUF */
-
if (document == NULL) {
- gchar *mime_desc;
+ gchar *content_type, *mime_desc = NULL;
+
+ content_type = g_content_type_from_mime_type (mime_type);
+ if (content_type)
+ mime_desc = g_content_type_get_description (content_type);
- mime_desc = g_content_type_get_description (mime_type);
g_set_error (error,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("File type %s (%s) is not supported"),
- mime_desc, mime_type);
+ mime_desc ? mime_desc : "-", mime_type);
g_free (mime_desc);
+ g_free (content_type);
g_free (mime_type);
return NULL;
g_free (uri_unc);
}
+/**
+ * ev_document_factory_get_document:
+ * @uri: an URI
+ * @error: a #GError location to store an error, or %NULL
+ *
+ * Creates a #EvDocument for the document at @uri; or, if no backend handling
+ * the document's type is found, or an error occurred on opening the document,
+ * returns %NULL and fills in @error.
+ * If the document is encrypted, it is returned but also @error is set to
+ * %EV_DOCUMENT_ERROR_ENCRYPTED.
+ *
+ * Returns: a new #EvDocument, or %NULL.
+ */
EvDocument *
ev_document_factory_get_document (const char *uri, GError **error)
{
int result;
EvCompressionType compression;
gchar *uri_unc = NULL;
+ GError *err = NULL;
- document = get_document_from_uri (uri, TRUE, &compression, error);
- if (*error == NULL) {
- uri_unc = ev_file_uncompress (uri, compression, error);
+ g_return_val_if_fail (uri != NULL, NULL);
+
+ document = get_document_from_uri (uri, TRUE, &compression, &err);
+ g_assert (document != NULL || err != NULL);
+
+ if (document != NULL) {
+ uri_unc = ev_file_uncompress (uri, compression, &err);
if (uri_unc) {
g_object_set_data_full (G_OBJECT (document),
"uri-uncompressed",
uri_unc,
(GDestroyNotify) free_uncompressed_uri);
- }
-
- if (*error != NULL) {
+ } else if (err != NULL) {
/* Error uncompressing file */
- if (document)
- g_object_unref (document);
+ g_object_unref (document);
+ g_propagate_error (error, err);
return NULL;
}
- result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
+ result = ev_document_load (document, uri_unc ? uri_unc : uri, &err);
- if (result == FALSE || *error) {
- if (*error &&
- (*error)->domain == EV_DOCUMENT_ERROR &&
- (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED)
+ if (result == FALSE || err) {
+ if (err &&
+ g_error_matches (err, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_ENCRYPTED)) {
+ g_propagate_error (error, err);
return document;
+ }
+ /* else fall through to slow mime code section below */
} else {
return document;
}
+
+ g_object_unref (document);
+ document = NULL;
}
/* Try again with slow mime detection */
- if (document)
- g_object_unref (document);
- document = NULL;
-
- if (*error)
- g_error_free (*error);
- *error = NULL;
-
+ g_clear_error (&err);
uri_unc = NULL;
- document = get_document_from_uri (uri, FALSE, &compression, error);
-
- if (*error != NULL) {
+ document = get_document_from_uri (uri, FALSE, &compression, &err);
+ if (document == NULL) {
+ g_assert (err != NULL);
+ g_propagate_error (error, err);
return NULL;
}
- uri_unc = ev_file_uncompress (uri, compression, error);
+ uri_unc = ev_file_uncompress (uri, compression, &err);
if (uri_unc) {
g_object_set_data_full (G_OBJECT (document),
"uri-uncompressed",
uri_unc,
(GDestroyNotify) free_uncompressed_uri);
- }
-
- if (*error != NULL) {
+ } else if (err != NULL) {
/* Error uncompressing file */
- if (document)
- g_object_unref (document);
+ g_propagate_error (error, err);
+
+ g_object_unref (document);
return NULL;
}
- result = ev_document_load (document, uri_unc ? uri_unc : uri, error);
-
+ result = ev_document_load (document, uri_unc ? uri_unc : uri, &err);
if (result == FALSE) {
- if (*error == NULL) {
- g_set_error_literal (error,
+ if (err == NULL) {
+ /* FIXME: this really should not happen; the backend should
+ * always return a meaningful error.
+ */
+ g_set_error_literal (&err,
EV_DOCUMENT_ERROR,
EV_DOCUMENT_ERROR_INVALID,
_("Unknown MIME Type"));
- } else if ((*error)->domain == EV_DOCUMENT_ERROR &&
- (*error)->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
+ } else if (g_error_matches (err, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_ENCRYPTED)) {
+ g_propagate_error (error, err);
return document;
}
- if (document)
- g_object_unref (document);
+ g_object_unref (document);
document = NULL;
+
+ g_propagate_error (error, err);
}
return document;
const gchar *mime_type;
gint i = 0;
-#ifdef ENABLE_PIXBUF
- if (g_ascii_strcasecmp (info->mime_types[0], "image/*") == 0) {
- GList *pixbuf_types, *l;
-
- pixbuf_types = gdk_pixbuf_mime_type_list ();
- for (l = pixbuf_types; l; l = g_list_next (l)) {
- gchar **mime_types = (gchar **)l->data;
- gint j = 0;
-
- while ((mime_type = mime_types[j++]))
- gtk_file_filter_add_mime_type (filter, mime_type);
-
- g_strfreev (mime_types);
- }
- g_list_free (pixbuf_types);
-
- return;
- }
-#endif /* ENABLE_PIXBUF */
-
while ((mime_type = info->mime_types[i++]))
gtk_file_filter_add_mime_type (filter, mime_type);
}
-void
+/**
+ * ev_document_factory_add_filters:
+ * @chooser: a #GtkFileChooser
+ * @document: a #EvDocument, or %NULL
+ *
+ * Adds some file filters to @chooser.
+
+ * Always add a "All documents" format.
+ *
+ * If @document is not %NULL, adds a #GtkFileFilter for @document's MIME type.
+ *
+ * If @document is %NULL, adds a #GtkFileFilter for each document type that evince
+ * can handle.
+ */
+void
ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document)
{
GList *all_types;
GtkFileFilter *default_filter;
GtkFileFilter *document_filter;
+ g_return_if_fail (GTK_IS_FILE_CHOOSER (chooser));
+ g_return_if_fail (document == NULL || EV_IS_DOCUMENT (document));
+
all_types = ev_backends_manager_get_all_types_info ();
default_filter = document_filter = filter = gtk_file_filter_new ();
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff